【2011浙江卷,2】Experts think that __________recently discovered painting may be ________ Picsso.

It is well known to us all ____ China sent up a manned spaceship to outer space successfully last year.

s the tallest boy in theclass, _______ according to himself.

The manager ______ the worker how to do it, or the accident couldn’t have happened.

When did your uncle arrive ____ China—He got to Guangzhou _____ the morning of the 16th of April.